timtyler comments on Shane Legg's Thesis: Machine Superintelligence, Opinions? - Less Wrong Discussion
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AIXI is more than just Solomonoff induction. It is Solomonoff induction plus some other stuff. I'm a teensy bit concerned that you are giving AIXI credit for Solomonoff induction's moves.
Right. The other stuff is an account of the most fundamental and elementary kind of reinforcement learning. In my conversations (during meetups to which everyone is invited) with one of the Research Fellows at SIAI, reinforcement learning has come up more than Solomonoff induction.
But yeah, the OP should learn Solomonoff induction first, then decide whether to learn AIXI. That would have happened naturally if he'd started reading Legg's thesis, unless the OP has some wierd habit of always finishing PhD theses that he has started.
Since we've gone back and forth twice, and no one's upvoted my contributions, this will probably be my last comment in this thread.